A. A. Gasanov
Federal State Research and Design Institute of Rare Metals Industry JSC «Giredmet» .
Russian Federation

Gasanov A.A. – Cand. Sci. (Chem.), Senior researcher, Head of the Department of high-purity substances, rare and rare metals.

119017, Russia, Moscow, B. Tolmachevskii per., 5/1.

A. V. Naumov
Federal State Research and Design Institute of Rare Metals Industry JSC «Giredmet» .
Russian Federation

Naumov A.V. – Senior researcher, Analyst-researcher.

119017, Russia, Moscow, B. Tolmachevskii per., 5/1.

O. V. Yurasova
Federal State Research and Design Institute of Rare Metals Industry JSC «Giredmet» .
Russian Federation

Yurasova O.V. – Cand. Sci. (Tech.), Head of the Laboratory of branch of high-purity substances, rare metals.

119017, Russia, Moscow, B. Tolmachevskii per., 5/1.

I. M. Petrov
«Research group Infomine Ltd.»
Russian Federation

Petrov I.M. – Dr. Sci. (Tech.), General director.

109028, Pevtchesky per., 4.

T. E. Litvinova
Mining University.
Russian Federation

Litvinova T.E. – Dr. Sci. (Tech.), Prof., Physical chemistry department. 

199106, Russia, St. Petersburg, 21 line, 2.